KR860008916A - Air flotation - Google Patents

Abstract

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Description

Air flotation

Since this is an open matter, no full text was included.

1 is a top perspective view of an air buoy according to a first embodiment of the present invention,

2 is a bottom perspective view corresponding to FIG. 1;

3 is a vertical sectional view of the buoy shown in FIG. 1, FIG.

4 is a bottom perspective view of the buoy according to the second embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

20: Air buoy, 22,22 ', 22' ': Jacket, 24,24'24' ': Passage, 30,30': Fan means, 32,34: Fan, 36,38: Jet engine, 46: Bag, 48: saddle, 52: air bag, 56, 58: conduit, 62, 64: fan, 68: conduit member, 72: nozzle, 88, 90: drive shaft, 100,100 '': propulsion device, 110,110 '': gondola , 120,120 '': Spider structure, 122,122 '': Arm, 132,134: Propeller, 140: Hoop, 144: Druster, 146: Inclinometer.

Claims (21)

It has a general torus shape extending over the passage between the upper and lower sides, and contains a sheath containing lighter gas than air, and is supported by the shell and guides the air downward through the passage to generate a downward vector thrust for raising the float. An air buoy comprising a fan means arranged and adapted to vary the magnitude of thrust during flight and the altitude of the buoy, and a propulsion means supported by the shell and used for lateral propulsion of the buoy. . 2. The device as claimed in claim 1, which is supported on an upper surface of the shell and provided at both ends of the at least one portion radially transversely extending the outer surface of the shell while supporting the fan means, and on both ends of the small diameter portion extending slightly downward on both sides of the shell. And a saddle comprising a plurality of parts having a propulsion device constituting said propulsion means of said buoy and which are patched on a horizontal central plane of each skin. 3. The air buoy according to claim 2, wherein the saddle includes an annular portion extending around the annular annular surface and having a curved surface that is partly coincident with the annular curved surface and integral with each other to form an integral saddle. 3. The air buoy according to claim 2, wherein the fan means comprises first and second fans arranged side by side and disposed downwardly into conduit means forming the passageway through the envelope. 5. The method of claim 4, wherein the conduit means comprises mixing first and second conduits for receiving air from one of the fans, respectively, and air received from the first and second conduits while the conduits release air. And a common chamber for receiving a pair of stacked reverse rotational non-orbiting fans, wherein said conduit means further comprises: a discharge conduit for receiving air from said common chamber, from which air is directed downward to exert a thrust to raise the flotation. Air buoy, characterized in that to form. 6. The discharge conduit of claim 5, wherein the discharge conduit is annular in cross section and is formed between each of the inner and outer conduit members forming an annular nozzle at an outer end of the discharge conduit, wherein one of the conduit members is configured to control the attitude of the buoy. An actuating means coupled to the displaceable conduit member to laterally displace the other conduit member to change the shape of the nozzle, the float being further adapted to adjust its position in use in accordance with the desired elevation of the buoy. Air buoy, characterized in that it comprises. 7. The bellows according to claim 6, wherein the inner conduit member is generally bell shaped and is laterally displaceable to change the shape of the nozzle by suspending its top in the conduit, the actuating means being bell shaped for the external conduit member being defined. And a plurality of independent actuators extending between the inner and outer conduit members at spaced locations around the annular nozzle to adjust the position of the inner conduit member. 8. The air buoy according to claim 7, further comprising load suspending means extending downwardly from said inner conduit member and suspended on its top. 2. The passage of claim 1, wherein the passage extends outwardly adjacent the upper end and smoothly merges into the upper surface of the torus to allow inflow air to flow inwardly through the upper surface and the float is centrally within the upper end of the passage. And a member arranged so that the upper end of the passage has an annular cross-section and comprises a narrow annular portion that provides a venturi effect causing an accelerated flow of inlet air past the top surface of the toric to generate lift. Air buoy, characterized in that. 10. The air buoy of claim 9, wherein the central member is a non-rigid, expandable member that contains a gas that is lighter than air to contribute to the buoyancy of the buoy. 11. The central member of claim 10, wherein the central member has an inverted cone shape with a concave contour and a flat base, the base being disposed in a plane that includes a top surface of the shell to minimize drag caused by the member in use. Air buoy, characterized in that. 2. The gondola of claim 1, further comprising a gondola suspended from the lower end of the passageway to support the fan means which draw air downwardly through the passageway and simultaneously generate the thrust. The air buoy is characterized in that it defines a central opening that allows air to flow downward from the passage. 13. An air buoy according to claim 12, wherein said propulsion means comprises at least three laterally directed propulsion devices externally supported on a gondola. The propulsion device of claim 13, wherein the propulsion device is provided four and arranged in a circle centered on a vertical centerline of the shell and arranged to generate thrust vectors extending tangentially with respect to the circle, respectively, wherein the devices are paired. And each pair of devices placed at both ends of the diameter of the circle so that the diameters are perpendicular to each other and the thrust vectors of each pair of propulsion devices are parallel. 15. The apparatus of claim 14, further comprising a structure consisting of four rims supported by a gondola and disposed at right angles to each other extending outwardly from the centerline, each rim having one of the propulsion devices at its outer end. Carrying, wherein the structure has the fan means on the center line. 2. An air buoy according to claim 1 wherein said sheath has a cross-sectional shape comprising defined guide edges extending around the circumference of the sheath to define a streamlined sheath shape for air movement. 2. The system of claim 1, further comprising a damping system comprising a plurality of vertically directed drumsters externally supported on the shell and means for adjusting the drumsters to attenuate swing motion of the buoy and maintain stability. Air buoy, characterized in that. 18. The apparatus of claim 17, wherein the thrusters are provided in four equally spaced positions around the circumference of the shell and the adjusting means are arranged on an axis perpendicular to each other and extend through the thrusters. And an inclinometer and adapted to adjust the thrusters in accordance with the change in inclination detected by the inclinometer. 2. The apparatus of claim 1, further comprising trim adjustment means comprising means for pumping liquid between the tanks according to the required posture of the bellows tanks and the buoys disposed in the front and rear positions in the shell. Air buoys 2. The air buoy according to claim 1, further comprising a single drive motor coupled to the fan means and the propulsion means to achieve vertical rise and lateral propulsion of the buoy. An outer shell having a passage extending between the upper and lower surfaces and the upper and lower surfaces, the shell containing gas lighter than air, and the air flowing downward through the passage to generate a thrust supported by the outer shell and directed downward to raise the buoy. Air, which is arranged to flow in the air and has adjustable fan means for varying the magnitude of the output and thus the flight attitude of the buoy, and propulsion means supported by the shell and adapted to achieve lateral propulsion of the buoy. Flotation car. ※ Note: The disclosure is based on the initial application.